Global Fixed Length Seal Market Size, Share & Demand Report By Material Type (Elastomer-Based Seals, Thermoplastic Seals, Metal Seals, Composite Seals), By Product Type (O-Rings, Gaskets, Shaft Seals, Hydraulic & Pneumatic Seals, Lip Seals, Custom-Molded Seals), By Application (Static Sealing, Dynamic Sealing), By Distribution Channel (OEM, Aftermarket, Distributors), By End-Use Industry (Automotive, Aerospace & Defense, Oil & Gas, Industrial Machinery, Healthcare, Others), By Region & Segment Forecasts, 2026–2031